地球科学进展 ›› 2009, Vol. 24 ›› Issue (9): 1009 -1014. doi: 10.11867/j.issn.1001-8166.2009.09.1009

研究论文 上一篇    下一篇

五台山新太古代块状硫化物矿床成矿作用研究——海底喷流沉积成因显微构造证据
牛向龙 1,2,李江海 2,冯  军 2,3   
  1. 1.中国地震局地质研究所,北京   100029;  2.北京大学地球与空间科学学院,北京  100871;  3.中国地震局应急搜救中心,北京  100049
  • 收稿日期:2009-02-04 修回日期:2009-07-20 出版日期:2009-09-10
  • 通讯作者: 牛向龙 E-mail:xlniu01@yahoo.com.cn
  • 基金资助:

    国家自然科学基金项目“河北兴隆中元古代硫化物黑烟囱形成机理及其意义”(编号:40472097);北京大学造山带与地壳演化教育部重点实验室测试基金“五台山新太古代硫化物黑烟囱研究”联合资助.

Origin of the Neoarchean Massive Sulphide Deposits in Wutaishan Mt: An indication for the Submarine Exhalation from the Microstructures

Niu Xianglong 1,2, Li Jianghai 2, Feng Jun 2,3   

  1. 1.Institute of Geology, Chinese Earthquake Administration, Beijing 100029, China;
    2.School of Earth and Space, Peking University, Beijing 100871, China;
    3.National Earthquake Response Support Service, China Earthquake Administration, Beijing 100049,China
  • Received:2009-02-04 Revised:2009-07-20 Online:2009-09-10 Published:2009-09-10
  • Contact: Niu Xianglong E-mail:xlniu01@yahoo.com.cn

      在五台山金岗库新太古代块状硫化物矿床发现了一些多孔状黄铁矿石标本,经过详细的显微构造鉴别和相关的电子探针分析,发现其中保留的一些特征性显微结构(胶状结构、通道构造、分带构造及淬火构造等)与现代海底硫化物黑烟囱结构构造非常类似,初步得出这些标本为新太古代海底黑烟囱的残片,显示了该矿床黑烟囱模式的海底喷流成因机制。

     Some specimens of porous sulphide ore are found in the Neoarchean massive sulphide deposits in Jingangku, Wutaishan Mt. Based on the results of the detailed microscopic observition and the analysis of electron probe to the samples, the similar textures and structures, as colloform texture, channel structure, filling structure, zonal structure and so on, with the modern seafloor sulphide chimney are identified. These samples are thought as the relics of the Neoarchean seafloor sulphide black chimneys owing to the above reasons, which indicate the originese of the Jingangku sulphide ore maybe contribute to the submarine exhalative model.

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